Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469663 | Method and system for GPS and WAAS carrier phase measurements for relative positioning | Walter J. Feller | 2002-10-22 |
| 6397147 | Relative GPS positioning using a single GPS receiver with internally generated differential correction terms | — | 2002-05-28 |